<!--********************************************************************
* Copyright© 2000 - 2025 SuperMap Software Co.Ltd. All rights reserved.
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title data-i18n="resources.title_surfaceAnalyst"></title>
    <style type="text/css">
        body {
            margin: 0;
            overflow: hidden;
            background: #fff;
            width: 100%;
            height: 100%
        }

        #map {
            position: absolute;
            width: 100%;
            height: 100%;
        }

        #toolbar {
            position: absolute;
            top: 50px;
            right: 10px;
            text-align: center;
            z-index: 100;
            border-radius: 4px;
        }
    </style>
</head>
<body>
<div id="toolbar" class="panel panel-primary">
    <div class='panel-heading'>
        <h5 class='panel-title text-center' data-i18n="resources.text_surfaceAnalyst"></h5></div>
    <div class='panel-body content'>
        <input type="button" class="btn btn-default" data-i18n="[value]resources.text_contourLine"
               onclick="surfaceAnalystProcess()"/>&nbsp; &nbsp;
        <input type="button" class="btn btn-default" data-i18n="[value]resources.text_remove" onclick="removeData()"/>
    </div>
</div>
<div id="map"></div>
<script type="text/javascript" include="bootstrap,widgets.alert" src="../js/include-web.js"></script>
<script type="text/javascript" exclude="iclient-classic" src="../../dist/classic/include-classic.js"></script>
<script>
    var map, local, baseLayer, resultLayer, Spatialanalyst_sample,
        points = new SuperMap.Geometry.LinearRing([
            new SuperMap.Geometry.Point(0, 4010338),
            new SuperMap.Geometry.Point(1063524, 4010338),
            new SuperMap.Geometry.Point(1063524, 3150322),
            new SuperMap.Geometry.Point(0, 3150322)
        ]),
        region = new SuperMap.Geometry.Polygon([points]),
        host = window.isLocal ? window.server : "https://iserver.supermap.io",
        url = host + "/iserver/services/map-temperature/rest/maps/全国温度变化图",
        url2 = host + "/iserver/services/spatialanalyst-sample/restjsr/spatialanalyst";

    init();

    function init() {
        map = new SuperMap.Map("map", {
            controls: [
                new SuperMap.Control.ScaleLine(),
                new SuperMap.Control.Zoom(),
                new SuperMap.Control.Navigation({
                    dragPanOptions: {
                        enableKinetic: true
                    }
                })], units: "m"
        });
        map.addControl(new SuperMap.Control.LayerSwitcher(), new SuperMap.Pixel(42, 80));
        map.allOverlays = true;
        baseLayer = new SuperMap.Layer.TiledDynamicRESTLayer("全国温度变化图", url, {
            transparent: true,
            cacheEnabled: true
        }, {maxResolution: "auto"});
        baseLayer.events.on({"layerInitialized": addLayer});
        resultLayer = new SuperMap.Layer.Vector("等值线");
    }

    function addLayer() {
        map.addLayers([baseLayer, resultLayer]);
        map.setCenter(new SuperMap.LonLat(531762, 3580330), 2);
    }

    function surfaceAnalystProcess() {
        widgets.alert.clearAlert();
        resultLayer.removeAllFeatures();
        var surfaceAnalystService = new SuperMap.REST.SurfaceAnalystService(url2),
            surfaceAnalystParameters = new SuperMap.REST.SurfaceAnalystParametersSetting({
                datumValue: 0,
                interval: 2,
                resampleTolerance: 0,
                smoothMethod: SuperMap.REST.SmoothMethod.BSPLINE,
                smoothness: 3,
                clipRegion: region
            }),
            params = new SuperMap.REST.DatasetSurfaceAnalystParameters({
                extractParameter: surfaceAnalystParameters,
                dataset: "SamplesP@Interpolation",
                resolution: 9000,
                zValueFieldName: "AVG_TMP"
            });
        surfaceAnalystService.events.on({
            "processCompleted": surfaceAnalystCompleted,
            "processFailed": surfaceAnalystFailed
        });
        surfaceAnalystService.processAsync(params);
    }

    function surfaceAnalystCompleted(args) {
        var features = args.result.recordset.features;
        for (var len = features.length, i = 0; i < len; i++) {
            style = {
                strokeColor: "#304DBE",
                fillOpacity: 0
            }
            features[i].style = style;
        }
        resultLayer.addFeatures(args.result.recordset.features);
    }

    function surfaceAnalystFailed(args) {
        widgets.alert.showAlert(args.error.errorMsg, false);
    }

    function removeData() {
        widgets.alert.clearAlert();
        resultLayer.removeAllFeatures();
    }
</script>

</body>
</html>